
<table style="text-align:center"><caption><strong>Hierarchical Linear Model - Coalition Partnership and Coalition Experience since 2000 plus Ideological Proximity</strong></caption>
<tr><td colspan="9" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"></td><td colspan="8"><em>Dependent variable:</em></td></tr>
<tr><td></td><td colspan="8" style="border-bottom: 1px solid black"></td></tr>
<tr><td style="text-align:left"></td><td colspan="8">Tokens for Player 2</td></tr>
<tr><td style="text-align:left"></td><td>Co-Partisan</td><td>Out-Partisan</td><td>Co-Partisan</td><td>Out-Partisan</td><td>Co-Partisan</td><td>Out-Partisan</td><td>Co-Partisan</td><td>Out-Partisan</td></tr>
<tr><td style="text-align:left"></td><td>(1)</td><td>(2)</td><td>(3)</td><td>(4)</td><td>(5)</td><td>(6)</td><td>(7)</td><td>(8)</td></tr>
<tr><td colspan="9" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">Coalition Partner</td><td>-0.196<sup>**</sup> (0.049)</td><td></td><td>-0.210<sup>**</sup> (0.053)</td><td></td><td></td><td></td><td></td><td></td></tr>
<tr><td style="text-align:left">Coalition Partner</td><td></td><td>0.276<sup>**</sup> (0.090)</td><td></td><td>0.142 (0.092)</td><td></td><td></td><td></td><td></td></tr>
<tr><td style="text-align:left">Ideological Proximity</td><td></td><td>0.011<sup>**</sup> (0.001)</td><td></td><td>0.010<sup>**</sup> (0.002)</td><td></td><td></td><td></td><td></td></tr>
<tr><td style="text-align:left">Coalition Experience</td><td></td><td></td><td></td><td></td><td>-0.355<sup>**</sup> (0.086)</td><td></td><td>-0.469<sup>**</sup> (0.093)</td><td></td></tr>
<tr><td style="text-align:left">Coalition Experience</td><td></td><td></td><td></td><td></td><td></td><td>0.558<sup>**</sup> (0.131)</td><td></td><td>0.485<sup>**</sup> (0.136)</td></tr>
<tr><td style="text-align:left">Ideological Proximity</td><td></td><td></td><td></td><td></td><td></td><td>0.009<sup>**</sup> (0.002)</td><td></td><td>0.009<sup>**</sup> (0.002)</td></tr>
<tr><td style="text-align:left">Average District Magnitude (logged)</td><td>0.046 (0.041)</td><td>0.031 (0.049)</td><td>-0.0001 (0.042)</td><td>-0.039 (0.053)</td><td>0.033 (0.041)</td><td>0.037 (0.049)</td><td>-0.015 (0.042)</td><td>-0.031 (0.055)</td></tr>
<tr><td style="text-align:left">Effective Number of Parties</td><td>0.043 (0.031)</td><td>-0.015 (0.037)</td><td>0.054<sup>+</sup> (0.032)</td><td>0.012 (0.039)</td><td>0.043 (0.031)</td><td>-0.011 (0.037)</td><td>0.055<sup>+</sup> (0.032)</td><td>0.009 (0.041)</td></tr>
<tr><td style="text-align:left">Elite Polarization</td><td>0.022 (0.018)</td><td>0.024 (0.022)</td><td>0.006 (0.018)</td><td>-0.006 (0.024)</td><td>0.020 (0.018)</td><td>0.004 (0.022)</td><td>0.004 (0.018)</td><td>-0.021 (0.024)</td></tr>
<tr><td style="text-align:left">Wealth (GDP per capita, in thousand Euros)</td><td>0.0001 (0.003)</td><td>0.012<sup>**</sup> (0.004)</td><td>-0.001 (0.003)</td><td>0.006 (0.004)</td><td>0.001 (0.003)</td><td>0.012<sup>**</sup> (0.004)</td><td>0.0003 (0.003)</td><td>0.006 (0.004)</td></tr>
<tr><td style="text-align:left">Population size (in Million)</td><td>0.004<sup>+</sup> (0.002)</td><td>0.003 (0.002)</td><td>0.001 (0.002)</td><td>-0.002 (0.002)</td><td>0.003 (0.002)</td><td>0.003 (0.002)</td><td>0.0004 (0.002)</td><td>-0.001 (0.003)</td></tr>
<tr><td style="text-align:left">Female</td><td>-0.102<sup>*</sup> (0.041)</td><td>0.004 (0.048)</td><td>-0.277<sup>**</sup> (0.044)</td><td>-0.212<sup>**</sup> (0.051)</td><td>-0.103<sup>*</sup> (0.041)</td><td>-0.003 (0.048)</td><td>-0.278<sup>**</sup> (0.044)</td><td>-0.212<sup>**</sup> (0.051)</td></tr>
<tr><td style="text-align:left">Age</td><td>-0.008<sup>**</sup> (0.001)</td><td>-0.016<sup>**</sup> (0.002)</td><td>-0.008<sup>**</sup> (0.001)</td><td>-0.020<sup>**</sup> (0.002)</td><td>-0.008<sup>**</sup> (0.001)</td><td>-0.016<sup>**</sup> (0.002)</td><td>-0.007<sup>**</sup> (0.001)</td><td>-0.020<sup>**</sup> (0.002)</td></tr>
<tr><td style="text-align:left">Education</td><td>-0.005 (0.004)</td><td>0.002 (0.005)</td><td>0.007 (0.005)</td><td>0.006 (0.005)</td><td>-0.005 (0.004)</td><td>0.001 (0.005)</td><td>0.007 (0.005)</td><td>0.006 (0.005)</td></tr>
<tr><td style="text-align:left">Pl 2 Age: 30 (Reference: 18)</td><td>0.106<sup>+</sup> (0.055)</td><td>-0.032 (0.065)</td><td>0.020 (0.059)</td><td>0.008 (0.068)</td><td>0.108<sup>+</sup> (0.055)</td><td>-0.045 (0.065)</td><td>0.021 (0.059)</td><td>0.011 (0.067)</td></tr>
<tr><td style="text-align:left">Pl 2 Age: 42</td><td>0.101<sup>+</sup> (0.055)</td><td>0.024 (0.065)</td><td>0.134<sup>*</sup> (0.059)</td><td>0.089 (0.068)</td><td>0.102<sup>+</sup> (0.055)</td><td>0.031 (0.065)</td><td>0.135<sup>*</sup> (0.059)</td><td>0.093 (0.067)</td></tr>
<tr><td style="text-align:left">Pl 2 Age: 53</td><td>0.104<sup>+</sup> (0.055)</td><td>0.145<sup>*</sup> (0.066)</td><td>0.093 (0.060)</td><td>0.084 (0.068)</td><td>0.101<sup>+</sup> (0.055)</td><td>0.147<sup>*</sup> (0.065)</td><td>0.093 (0.060)</td><td>0.087 (0.067)</td></tr>
<tr><td style="text-align:left">Pl 2 Age: 65</td><td>0.038 (0.055)</td><td>-0.011 (0.066)</td><td>-0.009 (0.060)</td><td>0.043 (0.067)</td><td>0.038 (0.055)</td><td>-0.001 (0.065)</td><td>-0.008 (0.060)</td><td>0.042 (0.067)</td></tr>
<tr><td style="text-align:left">Pl 2 Gender: Male (Reference: Female)</td><td>-0.072<sup>*</sup> (0.035)</td><td>-0.054 (0.042)</td><td>-0.111<sup>**</sup> (0.038)</td><td>-0.101<sup>*</sup> (0.043)</td><td>-0.071<sup>*</sup> (0.035)</td><td>-0.058 (0.041)</td><td>-0.112<sup>**</sup> (0.038)</td><td>-0.101<sup>*</sup> (0.042)</td></tr>
<tr><td style="text-align:left">Pl 2 Class: Low (Reference: Middle)</td><td>0.018 (0.042)</td><td>0.005 (0.051)</td><td>-0.004 (0.046)</td><td>0.017 (0.053)</td><td>0.017 (0.042)</td><td>-0.007 (0.051)</td><td>-0.006 (0.046)</td><td>0.019 (0.052)</td></tr>
<tr><td style="text-align:left">Pl 2 Class: High</td><td>-0.069 (0.043)</td><td>-0.069 (0.051)</td><td>-0.154<sup>**</sup> (0.046)</td><td>-0.118<sup>*</sup> (0.053)</td><td>-0.070 (0.043)</td><td>-0.076 (0.051)</td><td>-0.155<sup>**</sup> (0.046)</td><td>-0.115<sup>*</sup> (0.052)</td></tr>
<tr><td style="text-align:left">Pl 2 Religion: Catholic (Reference: Non-Religious)</td><td>-0.057 (0.049)</td><td>-0.036 (0.059)</td><td>-0.188<sup>**</sup> (0.053)</td><td>0.084 (0.061)</td><td>-0.059 (0.049)</td><td>-0.025 (0.059)</td><td>-0.188<sup>**</sup> (0.053)</td><td>0.084 (0.060)</td></tr>
<tr><td style="text-align:left">Pl 2 Religion: Protestant</td><td>-0.158<sup>**</sup> (0.049)</td><td>-0.138<sup>*</sup> (0.059)</td><td>-0.252<sup>**</sup> (0.053)</td><td>-0.052 (0.061)</td><td>-0.158<sup>**</sup> (0.049)</td><td>-0.127<sup>*</sup> (0.058)</td><td>-0.253<sup>**</sup> (0.053)</td><td>-0.063 (0.060)</td></tr>
<tr><td style="text-align:left">Pl 2 Religion: Muslim</td><td>-0.741<sup>**</sup> (0.050)</td><td>-0.446<sup>**</sup> (0.059)</td><td>-0.887<sup>**</sup> (0.052)</td><td>-0.376<sup>**</sup> (0.060)</td><td>-0.742<sup>**</sup> (0.050)</td><td>-0.424<sup>**</sup> (0.058)</td><td>-0.886<sup>**</sup> (0.052)</td><td>-0.375<sup>**</sup> (0.059)</td></tr>
<tr><td style="text-align:left">Subset Condition 1</td><td>-0.121<sup>**</sup> (0.037)</td><td>0.002 (0.044)</td><td>-0.156<sup>**</sup> (0.040)</td><td>-0.050 (0.045)</td><td>-0.121<sup>**</sup> (0.037)</td><td>0.011 (0.044)</td><td>-0.160<sup>**</sup> (0.040)</td><td>-0.057 (0.045)</td></tr>
<tr><td style="text-align:left">Round 2</td><td>0.132<sup>**</sup> (0.040)</td><td>-0.066 (0.048)</td><td>0.032 (0.043)</td><td>-0.048 (0.049)</td><td>0.132<sup>**</sup> (0.040)</td><td>-0.058 (0.048)</td><td>0.032 (0.043)</td><td>-0.050 (0.048)</td></tr>
<tr><td style="text-align:left">Round 3</td><td>0.279<sup>**</sup> (0.040)</td><td>0.023 (0.048)</td><td>0.131<sup>**</sup> (0.043)</td><td>0.020 (0.049)</td><td>0.279<sup>**</sup> (0.040)</td><td>0.028 (0.048)</td><td>0.130<sup>**</sup> (0.043)</td><td>0.017 (0.049)</td></tr>
<tr><td style="text-align:left">Constant</td><td>4.699<sup>**</sup> (0.140)</td><td>4.060<sup>**</sup> (0.163)</td><td>4.919<sup>**</sup> (0.148)</td><td>4.249<sup>**</sup> (0.176)</td><td>4.714<sup>**</sup> (0.140)</td><td>4.001<sup>**</sup> (0.163)</td><td>4.971<sup>**</sup> (0.148)</td><td>4.221<sup>**</sup> (0.176)</td></tr>
<tr><td colspan="9" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">SD Respondent-level</td><td>1.557</td><td>1.661</td><td>1.72</td><td>1.891</td><td>1.557</td><td>1.659</td><td>1.719</td><td>1.89</td></tr>
<tr><td style="text-align:left">SD Country-level</td><td>0.172</td><td>0.207</td><td>0.172</td><td>0.223</td><td>0.172</td><td>0.207</td><td>0.172</td><td>0.236</td></tr>
<tr><td style="text-align:left">Conditional R-Squared</td><td>0.499</td><td>0.524</td><td>0.521</td><td>0.601</td><td>0.499</td><td>0.523</td><td>0.521</td><td>0.602</td></tr>
<tr><td style="text-align:left">Respondents</td><td>11466</td><td>9099</td><td>11464</td><td>9147</td><td>11466</td><td>9218</td><td>11464</td><td>9262</td></tr>
<tr><td style="text-align:left">Countries</td><td>25</td><td>25</td><td>25</td><td>25</td><td>25</td><td>25</td><td>25</td><td>25</td></tr>
<tr><td style="text-align:left">Observations</td><td>14,631</td><td>11,138</td><td>14,656</td><td>11,214</td><td>14,631</td><td>11,302</td><td>14,656</td><td>11,366</td></tr>
<tr><td colspan="9" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"><em>Note:</em></td><td colspan="8" style="text-align:right">+ p<0.1; * p<0.05; ** p<0.01</td></tr>
</table>
